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contrast medium

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia, Hutchinson 0.01 sec.

contrast medium

Substance comparatively opaque to X-rays, which appears lighter on X-ray film and allows a body structure that does not normally contrast with its background to be seen clearly on the film. Common contrast media include barium sulfate and iodized organic compounds. They are given by the route that introduces them into the structure to be examined—swallowed or as an enema for the digestive tract, inhaled for the respiratory tract, or injected for blood vessels and for organs and tissues they supply. Serious reactions to contrast media are not infrequent. See also diagnostic imaging.
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? Mentioned in ? References in periodicals archive
 
Tokyo, Japan, Oct 26, 2006 - (JCN) - Japan's Ministry of Labour, Health and Welfare ttoday granted Daiichi Pharmaceutical approval for the ultrasound contrast medium Sonazoid for Injection, a worldwide first.
Daiichi Pharmaceutical Receives Import Approval for Ultrasound ... by JCNN News Summaries
CT cisternography identified dehiscence of the left lateral sphenoid recess, which contained contrast medium that had drained into the nasal cavity (figure 3).
CSF fistula secondary to sphenoid meningoencephalocele by Scheuemann, Christian / Ear, Nose and Throat Journal
Use a conventional contrast medium, but require premedication with steroids and antihistamines to reduce complications.
Indications for the use of low-osmolar contrast agents by Bloom, David M. / Physician Executive
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